Now showing: Japan - Postage stamps (1970 - 1979) - 10 stamps.
3. February WM: None Perforation: 13¼
10. April WM: None Perforation: 13 x 13½
15. May WM: None Perforation: 13½
20. June WM: None Perforation: 13½
10. August WM: None Perforation: 13½
4. November WM: None Perforation: 13½